The 100 kg reel has a radius of gyration about its center of mass gofkg= 200 mm. if the cable b is subjected to a force ofp= 300 n, determine the time required for the reel to obtain an angular velocityof 20 rad/s. the coefficient of kinetic friction between the reel and theplane isμk= 0.15..

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.

An 800 kg car is moving at 32 m/s. what magnitude force is needed to bring that car to a stop in 30 seconds?

If a small-diameter open glass tube is partially immersed in a vessel containing mercury, the surface of the mercury inside the tube will be a. lower than the mercury in the vessel, and shaped like the inside of a bowl. b. higher than the mercury in the vessel, and shaped like the inside of a bowl. c. lower than the mercury in the vessel, and shaped like the outside of an umbrella. d. higher than the mercury in the vessel, and shaped like the outside of an umbrella.